Flushing apparatus with air-chamber.



F. 1. PAFF. FLUSHHJG APPARATUS WITH AIP. CHAMBER. APPLICATION mm SEPT- 23. 1916.

1,21 5,695, Patented Feb. 13, 1917.

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FREDERIK J'OHANNES PAFF, U'I'RECHT, NETHERLANDS.

FLUSHING APPARATUS WITH AIR-OHA1VEBER.

Specification of Letters Patent.

Patented Feb. 13, 1917.

Application filed September 23, 1916. Serial No. 121,813.

To all whom it may concern:

Be it known that I, FREDERIK JoHANNEs Parr, mechanician, a subject of the Queen of the Netherlands, and resident of Willem van Noortstraat 71, Utrecht, Netherlands, have invented certain new and useful Improvements in Flushing Apparatus with Air-Chambers, of which the following is a specification.

This invention relates to flushing apparatus of that type including an air chamber, and has for its object to provide for conveniently and efiectually admitting water into the chamber so as to compress the air there'- in and at the same time obtain the desired charge of water, and also to provide for conveniently discharging the water from the chamber in a quick and positive manner.

A further object of the invention is to have practically all of the working parts of the apparatus inclosed within the air chamber, and at the same time conveniently accessible for repairs.

A still further object of the invention is to provide for conveniently and effectively maintaining the turning plugs of the valves under pressure so as to always maintain them in proper seated relation.

The air chamber thus will be filled up with water to a predetermined height, and the dimensions of the air chamber must be calculated so that the quantity of water which it can contain under the prevailing pressure of the main supply is suflicient for one normal flush.

By the apparatus it is possible to employ the usual ordinary conical cocks, by means of which a perfect closing can be obtained; moreover it is possible to use only a part of the water, which the chamber contains, because the outlet cock can be closed before the chamber is empty, which will save wasting water. Furthermore only a pre-determined maximum quantity. of water is allowed to be used for each flush, so the apparatus gives no rise to difliculties as to its applying possibility. Finally this construction does not deal with any tightening member, leakage of water along the movable parts thus being prevented.

The new-apparatus can very well be employed for public lavatories to substitute the usual employed pressure-cocks. It can be applied in order to prevent a waste of water, which is always to fear when ordinary water supply cocks are employed, and

the use of pressure cocks necessitates the use of water basins.

Generally it may be said that for instance, itis much cleaner and hygienic, when washing, the hands can be wet and the dirt disposed of by a flush of water coming out of the cock.

This is now possible by applying the here mentioned apparatus without giving cause to wasting water. On the accompanying drawing the invention, at the hand of a longitudinal section showing a constructionform, is further explained.

Referring to the drawing the appliance comprises a chamber 1 which at the upper part by means of a pipe 2 is connected to the main supply. By means of a conical cock 3 the pipe 2 can beclosed. The cock 3 is hollow and connected to a pipe 4: which is introduced in the pipe 12 in such a way to allow it to move without being turned.

For this purpose a pin 13 is passed through the pipes l and 12, a spring 14 pressing said pipes out of each other rests with its underend on the pipe 12 and with its upperend against the pin 15 passed through the pipe 4.

At the under end of the pipe 12 a hole is arranged, said pipe being connected at the same end to the cock 6, so that when turning the cock 6, the cock 3 is operated at the same time. By means of the cock 6, to which a discharge pipe 7 is connected, holes 8, arranged in a member surrounding said cock, can be opened and closed. The holes in cocks 3 and 6 are arranged in such a way that the pipe 2 is closed when the holes 8 are opened and vice versa, and when turning the cocks, one of these is totally closed before the other one is opened so that always one cock is closed when the other one is open.

The member, surrounding the cock is by means of a member 10 threaded inside and the packing ring 9 fixed to the chamber 1;

ter allowed for one flush is limited to six liters at a pressure of 2 atm. the chamber must have a volume of 9 liters.

If water is wanted thepipe 7 is turned a quarter turn by means of the operating handle 16 so that firstlythe pipe 2 is closed and the holes 8 are opened.

The speed of delivery and in accordance herewith the time allowed for a flush can be determined in advance by'giving the holes 8 or a part of the pipe 7 a corresponding diameter. When turning the tube 7 back, the cock 6 is closed first and afterward the cock 3 is opened so that the chamber-1 again can be filled in the aforesaid manner with a pre-. Y determined quantity of water.

Having thus fully described 'my invention, what I claim is:

1. A flushingdevice comprising an air chamber having oppositely-disposed inlet and outlet ports, valves for the ports, a tubular rotatable valve stemextending between and connected to the valves, said stem being in communication with the inlet port through the inlet valve and also provided with an outlet within the chamber, the two an interposed expansion spring to hold the" valves against their seats, the two valves being arranged so that when either is open the other is closed, and means for controlling the valve stem to manipulate thevalves.

3. A flushing device comprising an air chamber having an inlet valve including a casing, having a tapered seat and a hollow turning plug mounted in the seat, an outlet valve disposed opposite the inlet valve and including a casing having a tapered seat and a hollow tapered turning plug'fitting the seat, a' tubular stem connecting the valves and provided with an outlet within the chamber, said stem including telescopic members and an interposed expansion spring to hold the valves against their seats.

4. A flushing device comprising an air chamber, an inlet valve comprising a casing having a tapered seat anda hollow tapered turning plug mounted in the seat, an outlet valve having a casing provided with a tapered seat and a hollow turning plug fitting the seat, each casing and turning plug having openings which are registered in the open position of the valve, and a tubular valve stem extendingbetween and connected to the two valves, one end ofthe valve stem being in communication with the hollow turning plug of' the inlet valve, and said valve stem also having an outlet opening communicating withthe interior of the air chamber. I

5. A flushing device comprising an air chamber having an inlet valve including a casing'having a tapered seat and a hollow turning plug mounted in the seat, an outlet valve disposed opposite the inlet valve and including a casing having a tapered seat and a hollow tapered turning plug' fitting V the seat, a tubular stem connecting the valves and provided with an outlet within the chamber; said stenr including telescopic membersandan interposed expansion spring to hold the valves against their seats, and a rotatable off-take pipe connected to'and communicating with the interior of the turning plug of the outlet valve.

6. A flushing device comprising an air chamber, an inlet valvecomprising a casing having a: tapered seat and a hollow tapered turning plug' mounted inthe seat, an outlet valve having a casing provided with a tapered seat and a hollow turningplug fitting" the seat, each casing and turning plughaving openings which are registered in the open position of the valve, and a tubular valve stem extending between and con-- nected' to: the two valve s, one endfof the valve stem being in communication with the" hollow turning plug of the inlet valve, and said valve stem also having an outlet'opening communicating'withthe interior of the" airchamber, and a rotatable off-take pipe connected to and communicating with the interior of the vturningplug' of the outlet valve; 7

In witness whereof 7 my hand in presence of the witnesses.

have hereunto .set

FRnnERIKaoHAnNEsPain 5 Witnesses: p 7

Y. M. N. Daoir, A. C. van DER Koor.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patent:

' Washington, D. C." 

